CVE-2026-20446

MEDIUM EPSS 9.0%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
4.3 CVSS 3.1
Medium
Find Similar
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

CVSS Details

Base Score
4.3
Exploitability
0.7
Impact
3.6
Vector string
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Physical
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
9.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-190 Integer Overflow or Wraparound Numeric Error
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
mediatekmt6813_firmware*any
mediatekmt6813*any

References 1

  • corp.mediatek.com https://corp.mediatek.com/product-security-bulletin/April-2026
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.